Billie Eilish took the stage again at the neighboring Intuit Dome for the benefit concert, this time with her brother Finneas. Introduced by Sting, who named himself a "devotee" of the singer's "exquisite voice,

Green Day opened the show with their song “Last Night on Earth,” featuring a surprise appearance by Billie Eilish, and then followed up with their anthem “Still Breathing”

Billie Eilish made an appearance during Green Day’s set at the FireAid concert on Jan. 30. The Grammy winner came out as the rock band was performing “Last Night on Earth” and sang a stunning rendition of the song with them.